# e3.1DayDayUp365.py

import math

dayup = math.pow((1.0 + 0.001), 365)  # 每天提高0.001
daydown = math.pow((1.0 - 0.001), 365)  # 每天荒废0.001
print("向上: %.2f, 向下: %.2f." % (dayup, daydown))
